EP1184757A2 - Programmation de diagramme de flux pour contrôleurs industriels, en particulier contrôleurs de déplacement - Google Patents

Programmation de diagramme de flux pour contrôleurs industriels, en particulier contrôleurs de déplacement Download PDF

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Publication number
EP1184757A2
EP1184757A2 EP01118071A EP01118071A EP1184757A2 EP 1184757 A2 EP1184757 A2 EP 1184757A2 EP 01118071 A EP01118071 A EP 01118071A EP 01118071 A EP01118071 A EP 01118071A EP 1184757 A2 EP1184757 A2 EP 1184757A2
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EP
European Patent Office
Prior art keywords
flow chart
mcc
user
language
notation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01118071A
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German (de)
English (en)
Other versions
EP1184757B1 (fr
EP1184757A3 (fr
Inventor
Regina Schmitt
Peter Wagner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2000138440 external-priority patent/DE10038440A1/de
Priority claimed from DE2000138441 external-priority patent/DE10038441B4/de
Priority claimed from DE2000138439 external-priority patent/DE10038439B4/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1184757A2 publication Critical patent/EP1184757A2/fr
Publication of EP1184757A3 publication Critical patent/EP1184757A3/fr
Application granted granted Critical
Publication of EP1184757B1 publication Critical patent/EP1184757B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/056—Programming the PLC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S715/00—Data processing: presentation processing of document, operator interface processing, and screen saver display processing
    • Y10S715/961—Operator interface with visual structure or function dictated by intended use
    • Y10S715/965—Operator interface with visual structure or function dictated by intended use for process control and configuration

Definitions

  • the invention relates on the one hand to a method for the programming of industrial controls, in particular Motion controls, the user using a graphic Editor control structures and function blocks into one Flow chart that can be visualized on a display device.
  • the invention relates to a device for the programming of industrial controls, in particular Motion controls, with the user using a graphic Editor control structures and function blocks into one Flow chart that can be visualized on a display device are linkable.
  • the graphic input tools that exist today and graphic editors for programming industrial Controllers support the programming in a dedicated manner the control of a technical process (PLC functionality) or programming the control of the movement a processing or production machine.
  • PLC functionality technical process
  • the Program creation for both areas of application is based on existing Flow chart editors are not adequately supported.
  • the invention is therefore based on the object of a method according to the preamble of claim 1 and / or a device according to the preamble of claim 17, wherein one Users both for programming the control system from technical processes (PLC functionality) as well as for Programming of motion controls (motion functionality) Support is given.
  • PLC functionality technical processes
  • motion functionality Motion functionality
  • the user has a textual language the possibility already at this level of textual Language to perform plausibility checks. He can also include other language elements in the textual Language to bind to its application. Thereby, that the textual language in a further intermediate step is compiled into a processor-independent intermediate code, the flexibility mentioned remains for the user receive. At this intermediate code level, too Perform user plausibility checks or debugging.
  • the processor code ultimately running in the controller is generated from the processor-independent intermediate code, this makes the target of the application very late Time. Through the intermediate steps at Code generation can also be very different Target hardware is served.
  • Another advantage of the present invention is that that from the underlying machine configuration or Machine configuration current and adequate language mechanisms which are derived in the Flow Chart Editor, in the form of Icons that are made available to the user. Thereby a programming environment becomes available to a user provided that matched to the underlying hardware is and therefore optimal to the present requirements and Boundary conditions suffice.
  • the language set of the Flow Chart Editor adapts itself to the existing ones HW conditions (e.g. the underlying machine configuration).
  • a first advantageous embodiment of the invention lies in that from user-defined subroutines of the textual Speech automatically corresponding graphic elements generated in the flow chart notation, which is the function interface of the corresponding subroutines.
  • This makes it possible that from existing subroutines the textual language or additional ones Subroutines that may be in the textual language from Machine builders were brought in automatically and the icons associated masks are generated by the system and the user be made available in the flow chart editor.
  • the function interface and the transfer parameters of the subroutines the textual language will be automatic generated for the flow chart icons. Through this mechanism are easy for OEM customers (Original Equipment Manufacturer) Subroutines already available in textual language in the flow chart editor. So that will An end user customized for his flow chart programming and expanded language supply of icons.
  • Another advantageous embodiment of the invention lies in that the automatically generated graphic elements used by the user as language elements of the flow chart become. Because the user generated the automatically Icons as normal language elements of the flow chart editor can use the language available to him on flow chart elements, i.e. of icons, expanded. Consequently is the flexibility and expression regarding programming of applications for the user increased.
  • Another advantageous embodiment of the invention lies in that structured text as textual language after IEC 6-1131 is used.
  • IEC 6-1131 standardized language used at the level of the textual language is the exchange or coupling with others Programming systems very easily possible.
  • IEC 6-1131 as an intermediate language for porting relieved to different target systems.
  • Another advantageous embodiment of the invention lies in that a user can formulate any terms between the forms of representation textual language, Ladder plan (LAD) and / or function plan (FBD) can change.
  • LAD Ladder plan
  • BDD function plan
  • a user thus has the flexibility within this Languages of the PLC world, namely structured text, ladder diagram (LAD) or function diagram (FBD), can be changed as required.
  • LAD ladder diagram
  • BCD function diagram
  • This Flexibility is particularly important when formulating conditions a great advantage for the user, because he can choose the form of presentation or description in which he has the most experience, or the underlying one Problem is appropriate.
  • a user uses for the representation of binary links ladder diagrams (LAD) and / or function plans (FBD) and for the formulation of arithmetic calculations Structured Text.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation as language elements at least one loop and / or at least one parallel branch available.
  • common flow Chart editors become loops and often branchings represented with the help of jump labels. By using it of jumps (goto problem!) and the associated target marks the program design becomes very confusing and difficult to understand.
  • jumps goto problem
  • Another advantageous embodiment of the invention lies in that within the respective parallel branch individual commands can be started in the same interpolator cycle. Because all branches of the language construct branch in parallel are operated in the same interpolator cycle a quasi-parallel processing of those in the individual branches of the instructions contained in the parallel branch construct. In addition to the sequential, the parallel one Processing of commands enabled and by adequate Language mechanisms in the programming environment for the user supported.
  • Another advantageous embodiment of the invention lies in that the function blocks in the flow chart notation can be parameterized by entering a mask. This is for the User entering parameters in a clear and easy to understand form. For every type of Function block exist standard masks that a user allow only the parameter inputs possible for the current type. This increases the risk of incorrect entries Context sensitivity reduced.
  • Another advantageous embodiment of the invention lies in the fact that in the flow chart notation function blocks for modules are summarized, which in turn are function blocks appear.
  • One user can namely logically related function blocks combine and encapsulate into a module, this module again as a function block in the flow chart editor, i.e. as Icon appears.
  • a module can in turn contain one or more modules as an element. Modules can so to speak used as subroutines in other modules be, the clarity and the Structure of the program flow in the flow chart increased.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation the user in the Function blocks for variable assignment each several Allocations are possible.
  • the fact that the user in one Function block, i.e. in one icon, multiple variable assignments can enter one after the other and not for every variable assignment a new function block is required one increases clarity, but on the other hand also supports the programming principle of high cohesion, since the user makes his variable assignments, which makes sense belong to this function block, also in this one Function block can make bundled.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation the function blocks, represent functions that take time, Switching conditions included.
  • Functions that a Time period are e.g. Reference point approach, acceleration or axis positioning.
  • Such functions or users can interact with each other with the help of the switching conditions synchronize.
  • a user is thus a synchronization mechanism with the help of the switching conditions available that allows him to make complex movements and synchronize relationships of several axes.
  • Another advantageous embodiment of the invention lies in that the graphic elements of the flow chart are automatic be positioned.
  • the graphic elements of the flow chart are automatic be positioned.
  • Another advantageous embodiment of the invention lies in that the icons of the flow chart are automatically linked get connected. This is also an increase in work efficiency of the user, since he does not add the icons later by hand.
  • Another advantageous embodiment of the invention lies in that the flow chart in the display shrinks or can be shown enlarged. Through this zoom functionality clarity for the user of the diagrams, and he can also run certain programs, that interest him at the moment, through enlargement highlight graphically.
  • Another advantageous embodiment of the invention lies in that through markings in textual language a Back translation into flow chart notation is possible.
  • This back translation option has the advantage for the user that changes on the level of the textual language can be entered immediately drawn in the flow chart editor in the flow chart notation can be in the flow for the user Chart diagrams are visible.
  • Such back-translated programs the user can then use the graphic level of the flow chart editor and edit it further Procedure generate control code.
  • a textual language can be generated Users already have the opportunity at this level of textual Language to perform plausibility checks. He can also include other language elements in the textual Language to bind to its application. Thereby, that the textual language in a further intermediate step can be compiled into a processor-independent intermediate code, the flexibility mentioned remains for the user receive. At this intermediate code level, too Perform user plausibility checks or debugging.
  • the processor code ultimately running in the controller can be generated from the processor-independent intermediate code, this means that the target of the application can only be too late Time to be determined. Through the intermediate steps code generation can also very easily be different Target hardware can be served.
  • Another advantage of the present invention is that that from the underlying machine configuration or Machine configuration current and adequate language mechanisms which are derived in the Flow Chart Editor, in the form of Icons that are made available to the user. Thereby a programming environment becomes available to a user provided that matched to the underlying hardware is and therefore optimal to the present requirements and Boundary conditions suffice.
  • the language set of the Flow Chart Editor adapts itself to the existing ones HW conditions (e.g. the underlying machine configuration).
  • Another advantageous embodiment of the invention lies in that from user-defined subroutines of the textual Language automatically corresponding graphic elements can be generated in the flow chart notation, which is the function interface of the corresponding subroutines.
  • This makes it possible that from existing subroutines the textual language or additional ones Subroutines that may be in the textual language from Mechanical engineers were automatically brought in graphic elements (Icons) and the associated masks generated by the system and are available to the user in the Flow Chart Editor be put.
  • the function interface and the Transfer parameters of the subroutines of the textual language are automatically generated for the flow chart icons. This mechanism makes it easy for OEM customers (Original Equipment Manufacturer) already in textual language Transfer existing subroutines to the flow chart editor. This will help the end user for his flow chart programming an adapted and expanded language set of icons made available.
  • Another advantageous embodiment of the invention lies in that the automatically generated graphic elements usable by the user as language elements of the flow chart are. Because the user generated the automatically Use icons as normal language elements of the Flow Chart Editor can, the language stock available to him on flow chart elements, i.e. of icons, expanded. Thus the flexibility and expressiveness regarding programming of applications for the user increased.
  • IEC 6-1131 can be used as the textual language.
  • the fact that with IEC 6-1131 a standardized language on the The level of textual language that can be used is the exchange or the coupling with other programming systems very much easily possible.
  • Another advantageous embodiment of the invention lies in that for a user to formulate conditions any change between the forms of representation Textual language, ladder diagram and / or function plan provided is.
  • IEC 6-1131 can also be used as textual language other forms of representation of IEC 6-1131 besides the textual Language, namely ladder diagrams and / or function plans become.
  • a user thus has the flexibility within of these languages of the PLC world, namely Structured Text, ladder diagram (LAD) or function diagram (FBD), as required switch. This flexibility is especially for the wording of conditions a great advantage for the user, because he can change the representation or description choose in which he has the most experience or that underlying problem is appropriate.
  • LAD Ladder diagrams
  • BCD function plans
  • Structured for the formulation of arithmetic calculations Text.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation as language elements at least one loop and / or at least one parallel branch available.
  • at least one loop and / or at least one parallel branch available.
  • jumps goto problem
  • the program design becomes a very important target confusing and difficult to understand.
  • the program creation will be available and also significantly simplifies the readability of the programs.
  • Another advantageous embodiment of the invention lies in that within the respective parallel branch individual commands can be started in the same interpolator cycle. Because all branches of the language construct branch in parallel to be operated in the same interpolator cycle is one quasi parallel processing of the individual branches of the Instructions contained in parallel branch construct possible. In addition to sequential processing, there is also parallel processing of commands and through adequate language mechanisms supported in the programming environment for the user.
  • Another advantageous embodiment of the invention lies in that the function blocks in the flow chart notation are parameterized by entering a mask. This is for the User input (using input aids such as mouse, keyboard) and the display (on the display) of parameters in one clear and easy to understand form. There are standard masks for each type of function block, a user only those that are possible for the current type Allow parameter input. The risk of faulty This context sensitivity reduces input.
  • Another advantageous embodiment of the invention lies in the fact that in the flow chart notation function blocks for modules are summarized, which in turn is a functional block form.
  • One user can namely logically related function blocks into one Combine and encapsulate the module, whereby this module in turn as a function block in the flow chart editor, i.e. as an icon, appears.
  • this mechanism of summary and Encapsulation is not only the clarity (on the display) the process is increased, the program can also be run structure it.
  • nested Modules are provided.
  • a module can in turn contain one or more modules as an element. modules can, so to speak, as subroutines in other modules be used, this makes the clarity (on Display) and the structure of the program flow in the flow chart elevated.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation for the user in the function blocks for variable assignment several each Allocations are provided.
  • the user in a function block i.e. in one icon
  • multiple variable assignments can enter one after the other and not for each Variable assignment requires a new function block, on the one hand, the clarity is increased, on the other hand, but also supports the programming principle of high cohesion, since the user makes his variable assignments, which makes sense belong to this function block, also in this one can make a function block bundled.
  • Another advantageous embodiment of the invention lies in that in the flow chart notation for those functional blocks, the functions that represent a period of time claim, switching conditions are provided. functions which take a period of time are e.g. Reference point approach, Accelerate or position the axis. Such With the help of functions, users can interact synchronize the switching conditions. A user there is thus a synchronization mechanism with the help of the switching conditions available that allows him to synchronize complex movements and relationships of several axes.
  • Another advantageous embodiment of the invention lies in that the graphic elements of the flow chart are automatic are positionable.
  • a user creates a new icon wants to show in the flow chart editor on the display, it will automatically positioned at the location next to the logical program sequence corresponds.
  • his work efficiency is increased.
  • Another advantageous embodiment of the invention lies in that the graphic elements of the flow chart are automatic are interconnectable. This is one too Increasing the work efficiency of the user, since he the Icons not subsequently by hand (i.e. with keyboard, mouse or other input aids).
  • MCC flow chart
  • Another advantageous embodiment of the invention lies in that through markings in textual language a Back translation into flow chart notation (MCC) is provided.
  • MCC flow chart notation
  • syntactic and geometric information which is in the form of markings
  • This back translation option has the advantage for the user that changes, the entered at the level of textual language directly in the flow chart editor in the flow chart notation can be traced and thus for the user are visible in the flow chart diagrams on the display.
  • the user can then run such back-translated programs edit the graphics level with the help of the flow chart editor and from this further control code for the Generate control.
  • Another advantage is that the user both for sequential as well as for cyclical programming the control processes are supported. As a result of that a nested module formation of function blocks is available stands, the user has the advantage of clarity and increase the structure of his programs since he the design criteria, locality and high cohesion very easily can implement.
  • FIG. 1 is in the form of a structure image shown that controlling a technical process TP via the RTS run-time system of an industrial control he follows.
  • the connection between the run-time system RTS of the control and the technical process TP happens bidirectional via the input / output EA.
  • the programming the controller and thus the behavior of the run-time system RTS takes place in the engineering system ES.
  • the engineering system ES contains tools for configuration, Project planning and programming for machines and for Control of technical processes.
  • the created in the engineering system Programs are entered into the via the information path I1 Transfer the RTS run-time system to the controller.
  • Hardware equipment is usually an engineering system ES from a computer system with graphics screen (e.g. display), input aids (e.g.
  • a Control usually consists of input and output units, as well as processor and program memory.
  • FIG 2 in the form of an overview picture Elements of the engineering system and control as well as their interaction.
  • the individual elements in the form of rectangles, which in the Engineering system contained data storage is in the form of usually used data storage symbol. Arrows (unidirectional or bidirectional) make the data logical or the logical relationship between the Elements.
  • the upper half of FIG 2 shows the Elements of the engineering system, namely the MCC editor, the ST compiler with programming, the configuration server KS and the machine configuration as well as data storage.
  • the Belonging of these elements to the engineering system represented by a border.
  • the control includes the Code converter and program processing. Even the elements the controller, which are located in the lower section of FIG. 2, are outlined. Both the engineering system as well the controls may include other elements, they are not shown for reasons of clarity.
  • MCC Motion Control Chart
  • the language elements of the Editors i.e. the icons, e.g. via a command bar on the screen, which is operated using a mouse or conceivable other input aids created with the editor and being represented.
  • a user can use the MCC editor Function blocks (icons) and control structures into one Link flow chart, i.e. he can use the MCC editor as graphic programming tool for the creation of programs use for motion controls and / or process controls.
  • a textual program or a textual language (usually structured text after IEC 6-1131). This Structure Text Code (ST Code) is used by the Structured Text Compiler (ST compiler, part of the Programming environment) in a processor-independent intermediate code compiled.
  • This intermediate code is on the controller loaded and there by the code converter into executable processor code implemented. This is from the program processing executed within the control. Through the unidirectional arrows in the left section of FIG the steps of code or program implementation are shown. Parallel to the three top-down unidirectional Arrows that represent this implementation run each between the elements MCC editor, ST compiler, Code converter and program processing three bidirectional Arrows, the debug interfaces or the possibility of one Display program monitoring. Between program processing and code converter there is a debug interface on processor code, i.e. at object code level, another debug interface exists between the code converter and the ST compiler, this debug interface is at the intermediate code level. Between the ST compiler and the MCC editor there is another debug or program monitoring interface at structured text (ST code) level.
  • ST code structured text
  • FIG 2 are as further elements of the engineering system the machine configuration and a configuration server KS shown.
  • the design of the hardware or machine used That means in the machine configuration e.g. determined which axis types how many are physically present.
  • This machine information are in via the configuration server KS in fed into the MCC editor. The transmission of this information is represented by the unidirectional arrows I2 and I3.
  • the configuration server also contains KS further relevant configuration information for the system, e.g. also for the licensing of related software components can be used.
  • a data storage DA represented by the common data storage symbol, involves three aspects; Firstly, the MCC editor object model generated for a flow chart, second the associated structured text and the third content of the Data storage DA is the one generated from the structured text Intermediate code.
  • the data storage DA is bidirectional Connection to the MCC editor and ST compiler, represented by the bidirectional information arrows I4 and I5.
  • the illustration according to FIG. 3 shows the existing ones as an overview image Levels of abstraction from the point of view of the program code.
  • the different program code levels are shown as rectangles.
  • the top level is the MCC level, in which the Flow chart programs are generated.
  • the next subordinate The code level is the structured text level ST.
  • In the ST level one arrives from the MCC level by a corresponding code generation, represented by an arrow from the MCC block to ST block.
  • The is below the structured text level ST Pseudo-code level.
  • the Structured Text program a processor-independent intermediate code compiled, represented by the arrow from the ST block to the Block called intermediate code.
  • Below the intermediate code level lies the lowest code level, namely the object code level, which contains the executable processor code.
  • the object code also represented by an arrow from the intermediate code block to the object code block. Go from the object code level Right-angled arrows back to the structured text code level ST and to the flow chart level MCC. This indicates that at these levels test and program tracking activities can take place based on the object code. By the bold double arrow between the MCC and the ST level indicates that between these two levels Calls, task control commands and variable exchange functions possible are.
  • the dashed line in FIG. 3 shows the limit between the engineering system ES and the run-time system RTS of the controller (S; FIG 2). The border runs through the intermediate code level, everything above the dashed Line is part of the Engineering System ES, everything below the dashed line takes place belongs to the run-time system RTS.
  • FIG. 3 shows how a programmer or User (represented on the left edge of the picture by a stylized Stick figure) in the Engineering System ES can.
  • a programmer or User represented on the left edge of the picture by a stylized Stick figure
  • he can help at the MCC level of graphic programming generate flow charts, on the other he can on the structured text level ST by a textual programming create programs. Both input options are from arrows to stick figure to MCC block or to the ST block.
  • FIG. 4 shows a simple program flow for programming axis movements. Any flow chart starts with a start node and ends with an end node. These program limitation symbols are called “Start” or “End”. Start and end symbols are each represented by a rectangle, the end faces of which are represented by two Semicircles are formed. The program instructions are through Rectangles are shown that have an identifier and a graphic Symbol which contain the underlying command represents.
  • the flow chart symbols are usually located on an input bar created with the help of a mouse in the flow chart editor, other input aids such as a touch pad are conceivable. Alternatively, operation via keyboard would also be possible possible with or without mouse.
  • the flow chart editor defaults to the flow chart symbols aligned with each other and by a line with each other connected.
  • FIG. 5 shows a complex flow chart with control structures for a while loop and for that If construct.
  • the while and the if construct are each represented by hexagonal, honeycomb-shaped symbols. Otherwise are in the program flow, as shown in FIG 5 is used the same types of symbols as they already are 4 are known.
  • the flow chart according to FIG. 5 also begins with the start and ends with the end symbol. Right away after the start node there is a command that the task "motion_3" starts. This command is of the "Start Task" type. The Rectangle for this command therefore also contains the associated one corresponding icon, which represents the start of a task.
  • FIG 5 is followed by the hexagonal honeycomb while construct.
  • the command sequence processed Immediately after the While construct follows a command that represents waiting for a condition. This command also contains a corresponding mnemonic graphic symbol that represents the waiting process graphically represents. Next is a command that executes the "motion_2" task starts. This command is also of the "Start Task” type and contains the corresponding graphic symbol. After this The command follows the If construct, which is exactly the same as the While construct represented by a hexagonal honeycomb symbol becomes. If the If condition (represented in FIG. 5 by "error ⁇ > 0"), the command sequence is then fulfilled in the True branch processed further, otherwise if the condition is not fulfilled, the command sequence continues in the false branch processed.
  • FIG. 6 also shows a complex one Diagram in flow chart notation with the language construct parallel branching (Sync). 6 is followed by the start symbol a command related to a speed axis, namely "Switch axis enable”. Also for this command is in the command rectangle a graphic symbol indicated this Command represents. Then comes another command from Type "Switch axis enable", but this time related to one Positioning axis, here too is the corresponding one Symbol specified. The next command is a synchronization command "wait for signal”, in FIG. 6 with "Auto” designated and provided with the appropriate symbol.
  • Sync parallel branching
  • the symbol for the parallel branch follows as the next symbol in FIG (Sync). This symbol will also be like that While or the If construct by a hexagonal, honeycomb graphical element. All commands that in the sector immediately below the parallel branch symbol are arranged in the same interpolator cycle started. 6, these are the commands "Position Axis ", related to a positioning axis (this type of command also includes the corresponding graphic symbol) and a command of the type "set output”.
  • the command type "Set output” is also represented by a rectangle, this rectangle contains the address of the output (% QB40) and the corresponding symbol for this set command (S stands for Set).
  • the commands that lead to a parallel branch symbol belong, i.e.
  • the type of flow chart programming shown here supports different types of programming. On the one hand is started by the parallel branch symbol the associated commands in an interpolator cycle one more or less real parallelism achieved, i.e. the programming parallel threads are supported, and their associated Processing is made possible.
  • the cyclical Programming i.e. also the cyclical program execution, supported, because it can be represented that successive commands are only triggered, whereby but not on the processing of the previous one Command must be maintained. But also programming and the representation of such sequential processes would be possible that is when a command is given to the execution this command is waited until the next command is triggered and is processed.
  • the flow presented here Chart programming is therefore very flexible for a user applicable and applicable for different applications.
  • the representation according to FIG. 7 shows a parameterization mask for the flow chart command "position axis".
  • Top left in The top bar of the parameterization mask contains the name of the corresponding command, in this case "position axis".
  • the upper bar contains two on its right side Switch, which includes a switch with a question mark an online help, the second switch, provided with x, is used to close the mask.
  • the parameterization mask contains different input sectors. in the top input sector, the corresponding axis can be selected are displayed using an input menu (represented by an input button with a small upside down Triangle), the corresponding axes can be entered in the input window to be selected.
  • Such parameterization masks exist dedicated to all commands, which are entered and edited using the flow chart editor can be. So the user becomes context sensitive with the help of these parameterization masks during programming supports its movement and control processes.
  • the illustration according to FIG. 8 shows a selection of language elements (so-called icons) of the flow chart editor.
  • This Language elements represent commands that the user receives use the graphical programming in the flow chart editor can.
  • the MCC flow chart editor supports the following classes of commands and provides for the individual commands this Appropriate symbols are available for classes: Start commands, stop commands, positioning commands, synchronous and cam disc commands, measuring inputs and software cam commands, Wait commands, task control commands, commands for manipulation of variables as well as other general commands.
  • the MCC flow chart editor provides additional graphic control structures available for the graphical program flow.

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EP01118071A 2000-08-07 2001-07-25 Programmation de diagramme de flux pour contrôleurs industriels, en particulier contrôleurs de déplacement Expired - Lifetime EP1184757B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE10038439 2000-08-07
DE10038440 2000-08-07
DE10038441 2000-08-07
DE2000138440 DE10038440A1 (de) 2000-08-07 2000-08-07 Flow Chart Programmierung für industrielle Steuerungen, insbesondere Bewegungssteuerungen
DE2000138441 DE10038441B4 (de) 2000-08-07 2000-08-07 "Flow Chart Programmierung für industrielle Steuerungen, insbesondere Bewegungssteuerungen"
DE2000138439 DE10038439B4 (de) 2000-08-07 2000-08-07 Vorrichtung, zumindest umfassend ein Computersystem und eine industrielle Steuerung, für das Debuggen von Programmen für industrielle Steuerungen

Publications (3)

Publication Number Publication Date
EP1184757A2 true EP1184757A2 (fr) 2002-03-06
EP1184757A3 EP1184757A3 (fr) 2004-09-22
EP1184757B1 EP1184757B1 (fr) 2007-09-05

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US20020046397A1 (en) 2002-04-18
EP1184757B1 (fr) 2007-09-05
EP1184758A2 (fr) 2002-03-06
EP1184759A3 (fr) 2004-09-22
EP1184758B1 (fr) 2009-02-18
DE50112949D1 (de) 2007-10-18
US20020054098A1 (en) 2002-05-09
EP1184759A2 (fr) 2002-03-06
US7302676B2 (en) 2007-11-27
EP1184758A3 (fr) 2004-09-22
US7000191B2 (en) 2006-02-14
EP1184759B1 (fr) 2007-09-05
DE50114712D1 (de) 2009-04-02
US6981226B2 (en) 2005-12-27
DE50112950D1 (de) 2007-10-18
US20020054099A1 (en) 2002-05-09
EP1184757A3 (fr) 2004-09-22

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